since a little while, super smash bros brawl has started "clearing code cache" like every 10 seconds, thus rendering the game unplayable (fps vary from 10 to 40) before that happened, the game worked perfectly. I have already tried deleting the whole dolphin folder, also no driver change or programs installed which could have made that problem to appear. It simply started to happen for no apparent reason. Perhaps some hidden temporary file I have to delete?

now I get the problem I had before: small lockups for example, when battles start. Is there any way to fix that? I tried messing up with video options to no avail, also tried disabling audio, no change